The Holy Quran 100:4 — Surah Al-'Adiyat
Arabic text
فَأَثَرْنَ بِهِۦ نَقْعًا
Translation
...causing the dust to fly (as they race forward)...
Tafsir (excerpt) — Tafsir Usmani
That is, [horses] running with such speed and force that even in the morning, when the dust is generally held down by the coolness of the night and the moisture of the dew, much dust rises from their hooves even at that time.
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